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Chapter 5
Configure the Module
54
You must run RSNetWorx software to enable 1756-HSC modules in a remote
ControlNet (networked) chassis. Running RSNetWorx software transfers
configuration data to networked modules and establishes a network update
time (NUT) for the ControlNet network that is compliant with the desired
communication options that are specified for each module during
configuration.
If you are not using 1756-HSC modules in a networked ControlNet chassis,
running RSNetWorx software is not necessary. However, anytime a controller
references a 1756-HSC module in a networked chassis, RSNetWorx software
must be run to configure the ControlNet network.
In an Ethernet network with a multicast connection, a module sends new data
when prior data has not been transferred for one-quarter of the RPI. For
example, if data is being sent every 10 ms and the RPI is set at 100 ms, the data
transfer rate is every 30 ms.
Use the Default Configuration
1756-HSC modules in the same chassis as the controller are ready to run as
soon as the program download is complete. The default configuration for your
module is the Counter operational mode, with none of the outputs tied to
counters.
If you choose to write a specific configuration for your application, you must
access the module tags and change configuration information before you
download configuration to the owner-controller and module. Otherwise, you
must issue a reconfigure command from the controller.
Access the 1756-HSC data structures through the tag monitor to make specific
configuration changes.
See
Appendix B
for tag descriptions.
Rockwell Automation Publication 1756-UM007E-EN-P - August 2021
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